Seamount Catalog
Development and Maintenance by the EarthRef.org Database Team

Detailed Seamount Information
Nukunono Atoll

IndexSMNT-092S-1718W ClassificationSmall A1 Atoll
Location9º 09.72' S
171º 48.83' W		 Elongation
Irregularity		1.18 ± 0.06
1.05 ± 0.05
Plate Age Oceanic Province 
RegionTokelau Seamounts Alternative Names
PlatePacific Plate Age 
Tectonic SettingHotspot Trail Seamount Top100 m
Volume3185 km3 Ocean Bottom3353 m
Shelf Edge
251 % Volcanic ActivityExtinct
Description
Nukunono Atoll is located at 9¿ 9.7' S, 171¿ 48.8' W and is part of the Tokelau Seamounts on the Pacific Plate. It is 3253 m high with the top at -100 m and the ocean bottom at -3353 m. The atoll has a volume of 3185 km3 and is fairly round with relatively smooth edges. No dominate rifts are seen and the top surface of the atoll is relatively flat. To the west of the atoll is a large plateau.
BATHYMETRIC MAPS  [ 4 SEAMOUNT MAPS AND 4 REGIONAL MAPS ] Click to collapse
Nukunono Atoll -- Multibeam data merged with predicted satellite bathymetry
Nukunono Atoll -- Multibeam bathymetry
Nukunono Atoll -- Predicted satellite bathymetry
Nukunono Atoll -- Residual bathymetry

Tokelau Seamounts -- Multibeam data merged with predicted satellite bathymetry

Tokelau Seamounts -- Multibeam bathymetry

Tokelau Seamounts -- Predicted satellite bathymetry

Tokelau Seamounts -- Residual bathymetry
GRID FILES  [ 4 SEAMOUNT FILES AND 4 REGIONAL FILES ] Click to expand
MORPHOLOGY ANALYSIS Click to expand
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